condition	mean	min	max
4 h after light	17.19305	17.1149	17.2712
8 h after light	15.31345	14.4022	16.2247
12 h after light	21.518949999999997	20.6302	22.4077
4 h after dark	19.798499999999997	19.3067	20.2903
8 h after dark	20.176099999999998	18.9565	21.3957
12 h after dark	23.775750000000002	23.2499	24.3016